# Justin Guilbert

> Justin Guilbert is a French-American consumer-goods entrepreneur who co-founded Harmless Harvest with Douglas Riboud and BRAVO SIERRA with Benjamin Bernet. A former L’Oréal marketing executive, he has built businesses around sourcing, manufacturing and customer participation. He was named founder and co-CEO in BRAVO SIERRA’s August 2022 Series B announcement; his public LinkedIn profile now lists hazelwood beauty and an anticipated 2027 arrival.

- **Role:** Co-founder at BRAVO SIERRA; publicly lists hazelwood beauty (anticipated 2027)
- **Organizations:** BRAVO SIERRA, Harmless Harvest, L’Oréal, Goldman Sachs, Rhizome, Echelon, Good Fish, hazelwood beauty
- **Nationality:** French-American
- **Education:** MBA, INSEAD, Université Paris-Dauphine
- **Known for:** Co-founded Harmless Harvest, which attracted a majority investment from Danone Manifesto Ventures in 2021., Co-founded BRAVO SIERRA, which raised a $17 million Series B in August 2022., Included with Douglas Riboud in COOL HUNTING’s inaugural CH25 in 2015.

## Career timeline

- **1999–2000** — Worked as an investment banking analyst at Goldman Sachs; later discussed leaving after approximately 90 days.
- **2003–2004** — Attended INSEAD.
- **2004–2008** — Marketing director at L’Oréal, working on Garnier and Maybelline.
- **2009** — Founded Harmless Harvest with Douglas Riboud.
- **2011** — Harmless Harvest coconut water launched commercially.
- **2015** — Selected with Douglas Riboud for COOL HUNTING’s inaugural CH25.
- **2016** — Stepped back from Harmless Harvest operations, according to his 2020 interview.
- **2019** — BRAVO SIERRA launched its personal-care range.
- **2020** — BRAVO SIERRA announced a $12 million Series A; Rhizome’s Battalion platform was profiled later that year.
- **2021** — Danone Manifesto Ventures acquired a majority stake in Harmless Harvest.
- **2022** — Named founder and co-CEO in BRAVO SIERRA’s $17 million Series B announcement ahead of Walmart expansion.

## Achievements

- Co-founded Harmless Harvest, which attracted a majority investment from Danone Manifesto Ventures in 2021.
- Co-founded BRAVO SIERRA, which raised a $17 million Series B in August 2022.
- Included with Douglas Riboud in COOL HUNTING’s inaugural CH25 in 2015.

## Latest updates

- **2026-10** — Public LinkedIn profile checked in October 2026 lists hazelwood beauty with “eta ’27”; this is a profile observation, not a dated launch announcement.
- **2024-08** — Benjamin Bernet’s fifth-anniversary post named Guilbert as BRAVO SIERRA co-founder and described a Battalion community of more than 2,000 testers.
- **2022-08** — BRAVO SIERRA announced $17 million in Series B funding and nationwide Walmart expansion.

## Links

- LinkedIn: https://www.linkedin.com/in/justin-guilbert-831779192

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Profile page: https://yespress.io/justin-guilbert
Published by YesPress — https://yespress.io
Last updated: 2026-10-25